SiSiB® PC5424 Ethyl Silicate 40 SiSiB® PC5424 is a hydrolyzed and oligomerized form of ethyl silicate. It is a mixture of monomers, dimers, trimers and cyclic polysiloxanes. SiSiB® PC5424 is a tran

SiSiB® PC5424

EthylSilicate 40

SiSiB® PC5424 is a hydrolyzed and oligomerized form of ethyl silicate. It is a mixture of monomers, dimers, trimers and cyclic polysiloxanes.

SiSiB® PC5424 is a transparent liquid containing 40% silica (SiO2) by mass, but in practice, in addition to chain condensates, it also contains branch-shaped and ring-shaped condensates. It is the equivalent of Momentive's TEOS-40, Wacker's SILICATE TES40, Evonik's Dynasil 40silane.

Technical Data

CAS No.	11099 06 2or 68412-37-3
EINECS No.	234-324-0
Formula	(OSi(OC2H5)3)5
Molecular Weight
Boiling Point	160°C [760mmHg]
Flash Point
Color and Appearance	Colorless transparent liquid.
Density 25/25°C
Refractive Index
Viscosity (20°C)	5 cps
SiO2 content
Ethyl Polysilicate
Tetraethoxysilane
Ethanol

Application

SiSiB® PC5424 is used to deposit silicic acid formed as a result of complete hydrolysis. The resulting silicic acid bonds well to many inorganic substrates, such as ceramic, fillers, glass, metal, pigments and synthetic fibers. The deposition of a thin SiO2 layer improves the chemical and the thermal stability and mechanical properties.

SiSiB® PC5424 orthosilicate may be used as a binder in zinc-rich (corrosion resistant) coating.

SiSiB® PC5424 may be used as a starting material for sol-gel process.

SiSiB® PC5424 may be used as a crosslinker component for silicone adhesive in cold curing silicone rubber systems.

SiSiB® PC5424 may be used as a hardening component in dentistry for impression materials and as binder for embedding material.

SiSiB® PC5424 may be used as a binder in precision foundry industry.

Packing and Storage

SiSiB® PC5424 is supplied in 200Kg steel drum or 1000Kg IBC container.

In the unopened original container SiSiB® PC5424 has a shelf life of one year in a dry and cool place.

If you want to know more kinds of sisib silicones, please visit our website.

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